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July 24, 2014

July 24, 2014

Post a New Question | Current Questions

**7th grade**

what is the answer for -2y-5=-9?
*Tuesday, January 13, 2009 at 10:18pm*

**7th grade**

-2n +4-3n=
*Wednesday, January 7, 2009 at 5:44pm*

**5th grade**

How do I simplify 4/8 + 5/8 and 7/9 + 6/9? Thanks
*Wednesday, January 7, 2009 at 3:11pm*

**7th grade**

-7X+X
*Sunday, January 4, 2009 at 7:07pm*

**10th grade Algebra**

8h^2-4h
*Friday, January 2, 2009 at 11:11am*

**sra JMcGuin spanish**

Hi This is sam's mom - you have helped my child enormously - Whenever work is done with you the grade is amazing. Finals ae coming up and I think you are close to us. We live on the west side and go to school in the valley. SO anywhere would be convenient - We have a tutor...
*Thursday, January 1, 2009 at 6:12pm*

**Algebra--please help!**

I really need help with my math homework today, because I am totally confused! Please give me the answer, but also walk me through it, too, so I can fully understand it, because just the answer won't really help. #1: A math teacher wants to curve a set of grades. *Just a ...
*Wednesday, December 17, 2008 at 3:42pm*

**psychology**

Sara sets up an experiment with a control group and a experimental group to study how reading to preschool children may improve their first-grade reading achievement scores. In her study, the independent variable will be A first-grade reading achievement scores B reading to ...
*Tuesday, December 16, 2008 at 12:37pm*

**6th grade**

math
*Monday, December 15, 2008 at 11:13pm*

**6th grade**

What is vermicomposting ?
*Wednesday, December 10, 2008 at 12:25pm*

**8th grade**

what's the answer to .5x-y=8
*Wednesday, December 10, 2008 at 1:26am*

**9th grade**

12y-5y-2=0
*Monday, December 8, 2008 at 11:41pm*

**8th grade**

what percent of 60 is 15
*Tuesday, December 2, 2008 at 7:18pm*

**Math 6th grade**

Does any one know a really good websites for 6th grade math ? I'm behind in math and need to catch up or else I'll be really super dum . I need HELP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*Tuesday, December 2, 2008 at 10:03am*

**6th grade algebra**

3/8 + x __ __ 3 5/12
*Sunday, November 30, 2008 at 5:16pm*

**AED**

Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety ...
*Wednesday, November 19, 2008 at 9:03pm*

**9th grade**

3t+8(2t-6)=2+14t
*Wednesday, November 19, 2008 at 9:02pm*

**10th grade**

7x+11y=-5
*Monday, November 17, 2008 at 3:41pm*

**9th grade**

How do you solve [x-1]=[x+3]
*Saturday, November 15, 2008 at 12:42pm*

**5th grade math**

Why does .2 x .4 = .08 and not .8?
*Thursday, November 13, 2008 at 6:03pm*

**french**

Mme: Michael(Michel!) is 4 months old. Comment dit-on ".. is four months old"? (that's why he likes to barf everywhere) I am in French 1B, so next year when I'm a freshman, I can go right into French 2. (7th grade=1A, 8th grade=1B =French 1)
*Tuesday, November 11, 2008 at 12:28am*

**6th grade**

how many fifths are in 1 3/5
*Monday, November 3, 2008 at 12:38am*

**6th grade**

WHAT 30 TO THE 2 POWER
*Monday, October 27, 2008 at 7:02pm*

**Algebra**

Well someone please help me with this problem!!!!!!!!!!!! From a base elevation of 8200ft. a mountain peak in colorado rises to a summit elevation of 14701ft.over a horizontal distance of 15838 ft. Find the grade of the peak. The grade of the peak is what percent? (Round to ...
*Saturday, October 25, 2008 at 7:57pm*

**Math**

Imagine there are 100 lockers. Each locker is given a number 1-100. When the students are assigned to their lockers, the 1st student runds down the row of lockers and opens every door, student #2 closes the doors of locker #'s, 2,4,6,8, etc. to the end of the line. Student...
*Thursday, October 23, 2008 at 10:25pm*

**science**

i'm not sure witch statement is true .The earth has a stronger gravitational pull than the Sun because it is smaller in mass. .Planets would travel in a straight line if it weren't for the force of the Sun's gravity. .The Sun's gravitational pull is weaker on ...
*Thursday, October 23, 2008 at 6:14pm*

**4th grade**

25+7=p-6
*Wednesday, October 22, 2008 at 7:48pm*

**8th grade**

what is x-y=6
*Friday, October 17, 2008 at 1:48am*

**8 th Grade**

what is a bear?
*Tuesday, October 14, 2008 at 4:59pm*

**6th grade**

3x times 9x =
*Monday, October 13, 2008 at 9:07pm*

**All!!**

What is the 8 grade meap on? Thanks!
*Monday, October 13, 2008 at 4:18pm*

**9th grade**

2x + 5 - 7x = 15
*Tuesday, October 7, 2008 at 9:39pm*

**8th grade**

what is radiation
*Thursday, October 2, 2008 at 5:54pm*

**Math**

The word problem is: Nancy's quiz average is a 74. Her quiz average is 1/4 of her grade. The test average is 3/4 of the total grade. What test average does she need to get at least an 88? Would you be able to set up an equation, and explain how the answer was acheived? ...
*Wednesday, October 1, 2008 at 8:13pm*

**fifth grade**

how many grams in a lb.
*Tuesday, September 30, 2008 at 6:14pm*

**7th grade**

what is -2(-3) squared
*Monday, September 29, 2008 at 7:18pm*

**grade 8 math**

At the annual Grade 8 ski trip, for every 2 students who skied, 3 snowboarded. Ninety-six students snowboarded. How many students skied? Show your work. Can someone help???
*Sunday, September 28, 2008 at 7:49pm*

**language arts**

I have to put together and present a strategy that is effective in the teaching of language arts at a specific grade level. What would a good idea be for around the grade 2 level? and why is it important?
*Saturday, September 27, 2008 at 11:36pm*

**Grade 3 (transporatation)**

I am doing a unit on public transportation in New York city for my 3rd grade class and I am having a little trouble finding interesting and fun websites that my students could use to get information on past and present types of public transportation. Do you know any website/s ...
*Saturday, September 27, 2008 at 8:33pm*

**maths**

can you replace the stars with figures **** x 3 ______ ***** the whole calculation uses each of the digits 0-9 once and once only the 4 figure number contains three consecutive numbers which are not in order. the third digit is the sum of 2 of the consecutive numbers the 1st,...
*Sunday, September 21, 2008 at 12:14pm*

** Algebra**

Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method? I can answer all them except the 1st one i need ...
*Sunday, September 14, 2008 at 2:06pm*

**math**

polk elementry school has three classes for each grade level, kindergarten through fifth grade. If there is an average of 27 students how many students attend polk elementry school?
*Wednesday, September 10, 2008 at 5:33pm*

**trig**

in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
*Monday, September 8, 2008 at 9:13pm*

**trig.**

in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
*Monday, September 8, 2008 at 8:24pm*

**6th grade math**

A+B = A-B what are A and b
*Sunday, September 7, 2008 at 10:20pm*

**Mathematics : Arithmetic Sequence**

The 5th term and the 8th term of an arithmetic sequence are 18 and 27 respctively. a)Find the 1st term and the common difference of the arithmetic sequence. b)Find the general term of the arithmetic sequence.
*Sunday, September 7, 2008 at 6:10am*

**10th grade math**

3(x-2)= 4-(x-2)
*Saturday, September 6, 2008 at 11:58am*

**english**

i have to write a ballad. The 1st and 3rd lines need to be in iambic tetrameter and 2nd and 4th in iambic trimeter. is this right? Today I told my friend about The dream I had one night. “This red rose grew alone In a small lot without sunlight.”
*Thursday, September 4, 2008 at 10:41pm*

**9th grade**

whatis 1=1
*Tuesday, September 2, 2008 at 3:10pm*

**4th grade**

what is 7 d in w
*Friday, August 29, 2008 at 10:42am*

**math grade 12**

solve for n if P(n,3)=2c(n,2), n{N
*Thursday, August 28, 2008 at 8:03pm*

**accountiing**

using the financial statements of landry's restaurant located in appendix a of the text fundamentals of financial accounting 1st ed by phillips libby and libby compute teh following ratios for 2002 and 2003 a. earnings per share b. return on assets c. current ratio d. ...
*Tuesday, August 26, 2008 at 10:46pm*

**MATHS&SCIENCE**

Do I qualify for an application for a Sasol bbursary as I am currently studing s1 at University of Johannesburg.I have an "A" for maths SG,"D" for P.Sience HG,"D" for Biology HG,"B" for Sepedi 1st Lang HG,"D" for English 2nd ...
*Friday, July 11, 2008 at 7:19am*

**MATHS&SIENCE**

Do I qualify for an application for a Sasol bbursary as I am currently studing s1 at University of Johannesburg.I have an "A" for maths SG,"D" for P.Sience HG,"D" for Biology HG,"B" for Sepedi 1st Lang HG,"D" for English 2nd ...
*Friday, July 11, 2008 at 7:13am*

**Help Help**

Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0 <= X and X < 49) output "you fail" else if (50 <= X and X < 70) output "your grade is" X output "you did OK" else if (70 <...
*Wednesday, June 11, 2008 at 4:54pm*

**programming**

Can You Please help me understand how to do this and what i have to do to solve the problem.... Please!! Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0 <= X and X < 49) output "you fail" else if (50...
*Wednesday, June 11, 2008 at 4:53pm*

**Physics again.**

In the study of a double slit diffraction pattern it is noted that the 5th double slit nodal line corresponds exactly with the 1st nodal line of the overlapping single slit pattern. The double slits used are 0.25mm apart. What is the width of each single slit used to create ...
*Tuesday, June 10, 2008 at 6:30pm*

**math**

Of the 1st graders who were asked, 1/6 like math best, 2/3 like reading best, and 12 like science best. How many first graders were asked their favorite subject? THINK: Into how many equal parts should the picture be divided? Draw a picture to solve the problem.
*Tuesday, May 6, 2008 at 7:06pm*

**English**

I am writing a story about a girl who is living a stable life that she has created for herself. However, her biological sends her a letter apologizing for putting her up for adoption and telling she wants to see her. She is very confused. My last paragraph states that she goes...
*Sunday, May 4, 2008 at 6:03pm*

**algebra**

7s over 5t to the negative 3rd power 2 to the negative 3rd power times X to the 2nd power times Z to the negative 7th power 7s to the zero power times T to the negative 5th power over 2 to the negative 1st power times M to the 2nd power If you would please simplify these ...
*Monday, April 21, 2008 at 10:28pm*

**6th Grade Math**

I really don't know what to do on this question. If someone could start me off I could probably get the answer. Remember I am in 6th grade. Dani has a sack of 50 pens. Of these, 10 are black, 15 are blue, and the rest are red. If she grabs a handful of 5 pens, how many ...
*Monday, April 21, 2008 at 7:19pm*

**Math**

Carlos has the slow to go hiccups. When they started, he hiccuped after 1 minute had elpased, then again after 2 minutes, again after 4 minutes, next after 8 minutes, and so on. How many total hiccups did he hiccup in the month of April if they began 12 midnight, april 1st?
*Tuesday, April 8, 2008 at 5:24pm*

**Algebra**

I am having trouble with finding the 1st and 3rd quartiles of a set of data. For example, let's say the data is: 4, 9, 11, 16, and 24<- these are cumulative frequencies. The median (or 2nd percentile)is 11, right? My teacher says it's 12. Then for 3rd quartile I got...
*Thursday, April 3, 2008 at 8:52pm*

**Math**

A baseball diamond is a square with sides of 90 ft. long. a) to the nearest foot, what is the length of a throw from home to third base... b) what is the length of a throw from the shortstop position (midway between 2nd and 3rd) to 1st base
*Tuesday, April 1, 2008 at 3:58pm*

**pre cal**

The 1st year and 3rd year periods for these accounts are the lengths of time that you must keep the money in the account. (You pay a penalty if you take the money out before the term is up.) Why might an investor choose a Certificate deposit with a shorter term rather than a ...
*Tuesday, March 18, 2008 at 4:49pm*

**Pre-Cal**

The 1st year and 3rd year periods for these accounts are the lengths of time that you must keep the money in the account.(you pay a penalty if you take themoney out before the term is up.) Why might an investor choose a CD with a shorter term rather than a longer one, even ...
*Tuesday, March 18, 2008 at 3:37pm*

**chemistry**

the number of molecules in 6.843*10^-2 kg of Al(NO3)3 is: and this is what i have done so far... 1st i converted the kg to g which is 6.843*10^-5. then i figured out the moles:6.843*10^-5/213.01 i got 3.21*10^-7. i then multiplied this number by avogadro's number(6.022*10^...
*Wednesday, March 5, 2008 at 2:49pm*

**arithmetic**

Word Problem: A hospital needs to figure the annual budget for an 11 bed facility based on 90% occupancy using a 4 day length of stay. 1st day = $625.00, 2nd day - $315.00, 3rd day = $315.00 and 4th day = $220.00. How much money can they expect to make for an entire year?
*Wednesday, February 27, 2008 at 2:47pm*

**Math**

OOPS! Draw a pair of quads. where the angles of the 1st quad. are congruent to the angles of the 2nd quad. No side of one quad. is to be congruent to any side of the other quad. THIS is straight out of the workbook SORRY!
*Monday, February 25, 2008 at 4:46pm*

**Intro to Probability, please check my work.**

A fair coin is flipped three times. You win $5 every time the outcome is heads. Let the random variable X represent the total number of dollars you win. (a) List the sample space. (b) Determine the probability function of X. ====================== Answer: a) 2^3= 8 ...
*Sunday, February 17, 2008 at 3:35pm*

**Social studies**

i need to make an essay about two stories 1st- the tell tale heart 2nd- the speckled band, sherlock holmes story the only problem is the essay needs to be about what they have in common and what differences they have and mix it into paragraphs any help?
*Monday, February 11, 2008 at 2:22pm*

**proofread**

Hi, can someone proofread this for me. I'll appreciate it. Thanks in advance. The practicum site I selected is an elementary school. I will be assisting a first grade teacher during the semester. I will be helping her with her students and with other teacher ...
*Sunday, February 3, 2008 at 11:34pm*

**7th grade geometry**

pr/ac = ?/cb pr=6,ac=?, cb=15
*Monday, January 28, 2008 at 6:52pm*

**Data managment math**

7: The basket ball team has total 14 players : 3-1st year player,5-2nd year player and 6-3rd year player (a) in how many ways can the coach choose a starting line up(5 players) with at least one 1 st player. (b) in how many ways can he set up a starting lineup with two 2nd ...
*Monday, January 28, 2008 at 12:13pm*

**math**

a box contains 63 marbles 21 brown, 21 purple and 21 while what is the probability of picking a purple marble on the 1st attempt anor a brown marble on the second attempt?
*Thursday, January 10, 2008 at 7:03pm*

**art history**

which alphabet goes to which meaning? faux surface _ eclecticism _ concrete construction _ verism _ vesuvius _ aqueduct _ pantheon _ equestrian portrait _ a. dome for all gods b. honest way of making art c. 1st style wall painting d. 4th style wall painting e. famous emperor f...
*Sunday, January 6, 2008 at 7:10pm*

**Spanish for Sam**

OK. No sense doing a national holiday that has already passed. Here are 3 ideas: 1. Navidad = Christmas Day, December 25th. 2. Año Nuevo = New Year's Day, Jan 1st. 3. El Día de los Reyes = Epifanía = Epiphany, Jan. 6th = the day Spanish children get their ...
*Thursday, December 13, 2007 at 10:35pm*

**college math**

13. (4 pts) At an annual flower show, 6 different entries are to be arranged in a row. a) How many different arrangements of the entries are possible? b) If the owners of the 1st, 2nd, and 3rd place entries will be awarded prizes of $100, $50, and $25 respectively, how many ...
*Wednesday, December 12, 2007 at 9:24pm*

**Chemistry - 1st Yr College Level**

The corrosion of iron can be thought of as an electrochemical cell reaction. Calculate the voltage difference between two points of corroding iron differing only in their partial pressures of oxygen: 0.20 atm of oxygen at one point and 0.0010 atm of oxygen at the other. The ...
*Tuesday, December 11, 2007 at 10:31pm*

**Grade 10 MATH**

17^115
*Wednesday, December 5, 2007 at 7:56pm*

**algebra 2**

consecutive odd integer problem find two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let x+2=2nd odd int (2x+2)(2x+2)=130 4x(sq) + 4x+ 4x +4=130 4x(sq) + 8x -126= 0 2(2x(sq)+4x-63)=0 My question: the two numbers to factor the equation. pair of...
*Monday, December 3, 2007 at 7:13pm*

**algebra 2**

consecutive odd integer problem find two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let x+2=2nd odd int (2x+2)(2x+2)=130 4x(sq) + 4x+ 4x +4=130 4x(sq) + 8x -126= 0 2(2x(sq)+4x-63)=0 My question: WHAT ARE THE TWO DARN #s!!!
*Monday, December 3, 2007 at 6:30pm*

**Math**

I'm tutoring someone 1st year arts math and they have been given this difficult question that I cannot mind boggel. It goes as follows: There are 6 couples at a party. Each can shake another persons hand once, but they can never shake their spouses hand. At the end of the ...
*Saturday, December 1, 2007 at 1:59pm*

**Physics**

A 3.3 kg wooden block is placed on 22 degree inclined plane and is connected by a string that passes over a light friciton less pulley at the top of the incline and then attached to a hanging 3.0kg block.If the coefficient of static friction bet the 1st block and the surface ...
*Tuesday, October 30, 2007 at 5:07pm*

**English: DEBATING!**

Hi I need help I am finding my topic quite difficult. I am the 1st speaker for affirmative team with the topic: That in life there are more snakes than ladders." Its a difficult research/investigating topic, so I'm not sure what to say, and how to do my research. ...
*Tuesday, October 30, 2007 at 5:23am*

**physics**

A 3.3 kg wooden block is placed on 22 degree inclined plane and is connected by a string that passes over a light friciton less pulley at the top of the incline and then attached to a hanging 3.0kg block.If the coefficient of static friction bet the 1st block and the surface ...
*Monday, October 29, 2007 at 4:46pm*

**Algebra**

I'm having a problem solving the following example. The teacher wants it in this format. 1st the Verbal Model, 2nd the Labels 3rd Algebraic Model 4th- Solve and finally 5th part: Answer Question. Example: You are working on a scouting badge. You need 60 points on 4 ...
*Thursday, October 11, 2007 at 4:28pm*

**algebra**

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His firs three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade.
*Wednesday, October 10, 2007 at 12:50am*

**math**

An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average ...
*Sunday, September 30, 2007 at 8:08pm*

**chemistry**

Why is it important that the sequence of addition of reagents be followed? What could possibly go wrong when this is not followed? Reagents added: 1st: Fe3+ solution 2nd: 2.00 mL 10% NH2OH-HCl (hydroxylamine hydrochloride) 3rd: excess 0.20% 1,10-phenanthroline 4th: 1.00 mL ...
*Saturday, September 15, 2007 at 4:41pm*

**chemistry**

Why is it important that the sequence of addition of reagents be followed? What could possibly go wrong when this is not followed? Reagents added: 1st: Fe3+ solution 2nd: 2.00 mL 10% NH2OH-HCl (hydroxylamine hydrochloride) 3rd: excess 0.20% 1,10-phenanthroline 4th: 1.00 mL ...
*Saturday, September 15, 2007 at 1:45pm*

**Math**

I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ...
*Thursday, September 13, 2007 at 9:54am*

**math**

Here it is: One night the palace was having a midnight snack. The king ate 1/6 of the mangoes. The Queen ate 1/5 of the remaining mangoes. The 1st prince ate 1/4 of the mangoes left. Then the 2nd prince ate 1/3 of the remaining mangoes. And the third prince ate 1/2 of the ...
*Wednesday, September 5, 2007 at 5:32pm*

**Social Studies**

How do you start a community? Please explain your question. Are you asking about how to start a town of people? Or a community of crayfish? Or a special interest community, such as a club or a church? We'll be glad to help you if you clarify your question. We are asking ...
*Thursday, August 16, 2007 at 7:01pm*

**Calculus:check please**

given: 1st derivative is 2(2-3x-2x^2)/(1+x^2)^2 (quotient rule) I've found the stationary points to be x=1/2 and x=-2 Am I on the right track? If so, I plan to plug in values to the L andR of them into the whole derivative so as to clasify them. Still on track? Thanks ...
*Friday, August 10, 2007 at 2:06pm*

**Organic Chemistry**

Hi, this is a sterechemistry problem. If you have a fisher projection problem with Ch3 at the top, Cl on the left, ethyl group on the right, and a CH double bonded to a CH2 (CH=CH2)on the bottom, it is an S nomenclature correct? I figured out that Cl is 1st priority, and CH3 ...
*Friday, July 20, 2007 at 2:45am*

**Organic Chemistry**

Hi, this is a sterechemistry problem. If you have a fisher projection problem with Ch3 at the top, Cl on the left, ethyl group on the right, and a CH double bonded to a CH2 (CH=CH2)on the bottom, it is an S nomenclature correct? I figured out that Cl is 1st priority, and CH3 ...
*Friday, July 20, 2007 at 2:04am*

**math for 1st part (a)**

Part (a) 1.If the ratio of accounts-to-support technicians is 5:1, how many accounts are supported by each technician? 2.If there are currently 8 technicians on staff, how many accounts total are they supporting now? Please see the previous answer. 40
*Sunday, June 24, 2007 at 8:53pm*

**math 3rd part**

b.The company is projecting a 20% growth each year for the next four years. How many technicians should the company’s Human Resource Manager plan to hire in each of the next four years? 1st year: 8 x .2 = 1.6 2nd year: 9.6 x .2 = ? Continue this pattern for the next 3 ...
*Sunday, June 24, 2007 at 8:51pm*

**Math again**

Rearrange to give d in terms of e: (3d-7)/(4+5d) = e I got 3d - 5de = 4e + 7 but where do I go from there? Thanks :) 1st you must Multiply the polynomial. Please try the tutorial at the following site: http://www.webmath.com/polymult.html
*Monday, May 28, 2007 at 2:05pm*

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